Identification label unit

Abstract

An identification label unit capable of allowing authenticity determination of a product is provided. According to the present invention, an identification label unit, including: an identification label provided with an identifier; a viewer plate to cover the identification label; and a retaining member to retain the identification label and the viewer plate so as to allow relative rotation of the identification label or the viewer plate with respect to each other; wherein: display and non-display of the identification label is switched by relative rotation of the identification label or the viewer plate with respect to each other, is provided.

What is claimed is: 
     
       1. An identification label unit, comprising:
 an identification label provided with an identifier; 
 a viewer plate to cover the identification label; and 
 a retaining member to retain the identification label and the viewer plate so as to allow relative rotation of the identification label or the viewer plate with respect to each other; wherein: 
 display and non-display of the identification label is switched by relative rotation of the identification label or the viewer plate with respect to each other. 
 
     
     
       2. The identification label unit of  claim 1 , wherein the retaining member comprises:
 a bottom base to retain the identification label and the viewer plate so as to allow relative rotation of the identification label or the viewer plate with respect to each other. 
 
     
     
       3. The identification label unit of  claim 2 , wherein
 the identification label is fixed to the bottom base; and 
 the viewer plate is retained so as to allow relative rotation with respect to the bottom base. 
 
     
     
       4. The identification label unit of  claim 2 , wherein
 the retaining member comprises a top base fixed to the bottom base; and 
 the viewer plate is retained in a retaining space provided in between the bottom base and the top base, the viewer plate being retained so as to rotate with respect to the identification label. 
 
     
     
       5. The identification label unit of  claim 4 , wherein the top base is constructed so as to allow visual observation of the identifier through the viewer plate. 
     
     
       6. The identification label unit of  claim 3 , further comprising:
 a reception concavity provided to the bottom base to accommodate the identification label, the viewer plate, and the top base; wherein 
 a surface of the top base and a surface of the bottom base are positioned on substantially the same plane. 
 
     
     
       7. The identification label unit of  claim 2 , wherein the bottom base is capable of being fixed to a product. 
     
     
       8. The identification label unit of  claim 2 , wherein the bottom base is a product package. 
     
     
       9. The identification label unit of  claim 2 , wherein
 the viewer plate is fixed to the bottom base; and 
 the identification label is retained so as to rotate with respect to the bottom base. 
 
     
     
       10. The identification label unit of  claim 9 , wherein the identification label is retained in between the bottom base and the viewer plate. 
     
     
       11. The identification label unit of  claim 1 , wherein the viewer plate further comprises a projection protruding in a direction towards outside of the retaining member.